Simplify:
(i) 2 × 103
(ii) 72 × 22
(iii) 23 × 5
(iv) 3 × 44
(v) 0 × 102
(vi) 52 × 33
(vii) 24 × 32
(viii) 32 × 104
(i) We have,
2 × 103 = 2 × 10 × 10 × 10
= 2 × 1000
= 2000
(ii) We have,
72 × 22 = 7 × 7 × 2 × 2
= 49 × 4
= 196
(iii) We have,
23 × 5 = 2 × 2 × 2 × 5
= 8 × 5
= 40
(iv) We have,
3 × 44 = 3 × 4 × 4 × 4 × 4
= 3 × 256
= 768
(v) We have,
0 × 102 = 0 × 10 × 10
= 0 × 100
= 0
(vi) We have,
52 × 33 = 5 × 5 × 3 × 3 × 3
= 25 × 27
= 675
(vii) We have,
24 × 32 = 2 × 2 × 2 × 2 × 3 × 3
= 16 × 9
= 144
(viii) We have,
32 × 104 = 3 × 3 × 10 × 10 × 10 × 10
= 9 × 10000
= 90000